Measurements of wall-shear-stress distribution on an NACA0018 airfoil by liquid-crystal coating and near-wall particle image velocimetry (PIV)

Measurement Science and Technology

Volumn 20, Issue 6, 2009, Pages

  Fujisawa, N ^a   Oguma, Y ^a   Nakano, T ^a  

^a NIIGATA UNIVERSITY   (Japan)

Author keywords

Liquid crystal; Measurement; PIV; Visualization; Wall shear stress

Indexed keywords

AIR; AIRFOILS; ANGLE OF ATTACK; ANGLE OF ATTACK INDICATORS; BLOOD VESSELS; BOUNDARY LAYERS; COATINGS; FLOW VISUALIZATION; LAMINAR BOUNDARY LAYER; LIQUID CRYSTALS; LIQUID PHASE EPITAXY; LIQUIDS; MEASUREMENTS; SHEAR FLOW; STRESS CONCENTRATION; STRESS MEASUREMENT; TURBULENT FLOW; UNCERTAINTY ANALYSIS; VELOCIMETERS; VELOCITY MEASUREMENT;

EXPERIMENTAL METHODS; EXPERIMENTAL UNCERTAINTY; FREE-STREAM VELOCITY; LAMINAR TURBULENT TRANSITIONS; LIQUID CRYSTAL COATINGS; PARTICLE IMAGE VELOCIMETRIES; TURBULENCE CHARACTERISTICS; WALL SHEAR STRESS;

SHEAR STRESS;

EID: 70350641825     PISSN: 09570233     EISSN: 13616501     Source Type: Journal    
DOI: 10.1088/0957-0233/20/6/065403     Document Type: Article

References (26)

1. Astarita T and Gardone G 2005 Analysis of interpolation schemes for image deformation methods in PIV Exp. Fluids 38 233-43
2. Buttsworth D R, Elson S J and Jones T V 2000 Skin friction measurements on reflective surfaces using nematic liquid crystal Exp. Fluids 28 64-73
3. Foucaut J-M, Kostas J and Stanislas M 2006 Wall shear stress measurement using stereoscopic PIV ISFV12 (Goettingen) pp 1-10 Paper 128
4. Fujisawa N, Aoyama A and Kosaka S 2003 Measurement of shear-stress distribution over a surface by liquid-crystal coating Meas. Sci. Technol. 14 1655-61
5. Fujisawa N and Hashizume Y 2001 Uncertainty analysis of temperature and velocity measured by liquid crystal visualization technique Meas. Sci. Technol. 12 1235-42
6. Funatani S and Fujisawa N 2002 Simultaneous measurement of temperature and three velocity components in planar cross section by liquid-crystal thermometry combined with stereoscopic particle image velocimetry Meas. Sci. Technol. 13 1197-205
7. Haritonidis J H 1989 The measurement of wall shear stress Advances in Fluid Mechanic Measurements (New York: Springer) pp 229-61
8. Monson D J and Higuchi H 1980 Skin friction measurements by a new non-intrusive double laser beam oil viscosity balance technique AIAA J. 19 739-44
9. Murphy J D and Westphal R V 1986 The laser-interferometer skin-friction meter: a numerical and experimental study J. Phys. E: Sci. Instrum. 19 744-51
10. Nakano T and Fujisawa N 2006 Wind tunnel testing of shear-stress measurement by liquid crystal coating J. Vis. 9 135-6
11. Nakano T, Fujisawa N, Oguma Y, Takagi Y and Lee S 2007 Experimental study on flow and noise characteristics of NACA0018 airfoil J. Wind Eng. Ind. Aerody. 95 511-31
12. Nash E C, Lowson M V and McAlpine A 1999 Boundary layer instability noise on airfoils J. Fluid Mech. 382 27-61
13. Nashimoto A, Fujisawa N, Kimura E and Akuto T 2000 Visualization of surface flow over a blade of rotating machinery by oil-film technique and measurement of shear-stress distribution by image analysis J. Vis. Soc. Japan 20 350-5 (in Japanese)
14. Naughton J W and Brown J L 1998 Skin friction measurements in complex flows using two-image thin-oil-film interferometry Proc. 8th Int. Symp. Flow Visualization (Sorrento) Paper 200
15. Oguma Y and Fujisawa N 2007 Near-wall velocity measurement over an airfoil by PIV J. Vis 10 157-8
16. Okuno T and Nishio S 1997 Measurement of wall shear stress using visualized image Proc. Int. Conf. Fluid Engineering (Tokyo) pp 1313-8
17. Pradeep A M and Sullerey R K 2004 Detection of separation in S-duct diffuser using shear sensitive liquid crystals J. Vis 7 299-307
18. Reda D C, Muratore J J and Heineck J T 1994a Time and flow-direction responses of shear-stress-sensitive liquid crystal coatings AIAA J. 32 693-700
19. Reda D C and Muratore J J 1994b Measurement of surface shear stress vectors using liquid crystal coatings AIAA J. 32 1576-82
20. Reda D C, Wilder M C, Farina D J and Zilliac G 1997 New methodology for the measurement of surface shear stress vector distributions AIAA J. 35 608-14
21. Schlichting H 1968 Boundary-Layer Theory (New York: McGraw-Hill) p 660
22. Soloff S M, Adrian R J and Liu Z C 1997 Distortion compensation for generalized stereoscopic particle image velocimetry Meas. Sci. Technol. 8 1441-54
23. Tanner L H and Blows L G 1976 A study of the motion of oil films on surfaces in air flow, with application to the measurement of skin friction J. Phys. E: Sci. Instrum. 9 194-202
24. Tomimatsu S and Fujisawa N 2002 Measurement of aerodynamic noise and unsteady flow field around a symmetrical airfoil J. Vis. 5 381-8
25. Zhong S 2002 Detection of flow separation and reattachment using shear-sensitive liquid crystals Exp. Fluids 32 667-73
26. Zilliac G G 1996 Further developments of the fringe-imaging skin friction technique NASA TM no.110425